Screenshots are in this post:

http://www.larian.com/forums/ubbthreads.php?ubb=showflat&Number=430701#Post430701

Basically the game looks stretched and characters fat with 1920*1200. That is with 'User Interface In Desktop-Resolution' UNchecked.

With checked, I get blackscreen just like Rain Koor and the others.

nVidia gtx 280, latest WHQL drivers.